Dental instrument



FIG. 1 is an exploded perspective view of a dental instrument showing my new design;

FIG. 2 is an end elevational view;

FIG. 3 is an exploded side elevational view thereof; and,

FIG. 4 is another exploded side elevational view thereof, taken form the opposite side.

The broken line showing of the tool tip in FIGS. 1, 3 and 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a dental instrument, as shown and described. 